Daftar bandar udara menurut kode ICAO: Z

Awalan **Z** dipakai untuk Republik Rakyat Tiongkok dengan tiga pengecualian:
* **ZK** untuk Korea Utara
* **ZM** untuk Mongolia
* **ZZZZ** adalah kode khusus jika suatu bandara tidak punya kode ICAO. Biasanya dipakai oleh helikopter yang sedang tidak beroperasi di sebuah aerodrome.

## Z (kecuali ZK, ZM, dan ZZZZ) - [[Tiongkok Daratan]]

### ZB
* **ZBAA** (PEK) – Bandar Udara Internasional Ibu Kota Beijing – Beijing
* **ZBBB** – Bandar Udara Xijiao Beijing – Beijing
* **ZBCF** (CIF) – Bandar Udara Yulong Chifeng – Chifeng, Inner Mongolia
* **ZBCZ** (CIH) – Bandar Udara Wangcun Changzhi – Changzhi, Shanxi
* **ZBDS** (DSN) – Bandar Udara Ejin Horo Ordos – Ordos (Dongsheng), Inner Mongolia
* **ZBDT** (DAT) – Bandar Udara Yungang Datong – Datong, Shanxi
* **ZBER** (ERL) – Bandar Udara Internasional Saiwusu Erenhot – Erenhot, Inner Mongolia
* **ZBES** (YIE) – Bandar Udara Arxan – Arxan, Inner Mongolia
* **ZBHD** (HDG) – Bandar Udara Handan – Handan, Hebei
* **ZBHH** (HET) – Bandar Udara Internasional Baita Hohhot – Hohhot, Inner Mongolia
* **ZBLA** (HLD) – Bandar Udara Dongshan Hailar – Hailar, Inner Mongolia
* **ZBMZ** (NZH) – Bandar Udara Xijiao Manzhouli – Manzhouli, Inner Mongolia
* **ZBNY** (NAY) – Bandar Udara Nanyuan Beijing – Beijing
* **ZBOW** (BAV) – Bandar Udara Erliban Baotou – Baotou, Inner Mongolia
* **ZBSH** (SHP) – Bandar Udara Shanhaiguan Qinhuangdao – Qinhuangdao, Hebei
* **ZBSJ** (SJW) – Bandar Udara Internasional Zhengding Shijiazhuang – Shijiazhuang, Hebei
* **ZBTJ** (TSN) – Bandar Udara Internasional Binhai Tianjin – Tianjin
* **ZBTL** (TGO) – Bandar Udara Tongliao – Tongliao, Inner Mongolia
* **ZBTS** (TVS) – Bandar Udara Sannühe Tangshan – Tangshan, Hebei
* **ZBUH** (WUA) – Bandar Udara Wuhai – Wuhai, Inner Mongolia
* **ZBUL** (HLH) – Bandar Udara Ulanhot – Ulanhot, Inner Mongolia
* **ZBXH** (XIL) – Bandar Udara Xilinhot – Xilinhot, Inner Mongolia
* **ZBXT** (XNT) – Bandar Udara Dalian Xingtai – Xingtai, Hebei
* **ZBYC** (YCU) – Bandar Udara Guangong Yuncheng – Yuncheng, Shanxi
* **ZBYN** (TYN) – Bandar Udara Internasional Wusu Taiyuan – Taiyuan, Shanxi
* **ZBZJ** (ZQZ) – Bandar Udara Ningyuan Zhangjiakou – Zhangjiakou, Hebei

### ZG
* **ZGBH** (BHY) – Bandar Udara Fucheng Beihai – Beihai, Guangxi
* **ZGBS** (AEB) – Bandar Udara Youjiang Baise – Baise, Guangxi
* **ZGCD** (CGD) – Bandar Udara Taohuayuan Changde – Changde, Hunan
* **ZGCJ** (HJJ) – Bandar Udara Zhijiang – Huaihua, Hunan
* **ZGCS** – Pangkalan Udara Datuopu Changsha – Changsha, Hunan
* **ZGDY** (DYG) – Bandar Udara Hehua Zhangjiajie – Zhangjiajie (Dayong), Hunan
* **ZGFS** (FUO) – Bandar Udara Shadi Foshan – Foshan, Guangdong
* **ZGGG** (CAN) – Bandar Udara Internasional Baiyun Guangzhou – Guangzhou, Guangdong
* **ZGHA** (CSX) – Bandar Udara Internasional Huanghua Changsha – Changsha, Hunan
* **ZGHY** (HNY) – Bandar Udara Bajialing Hengyang – Hengyang, Hunan
* **ZGHZ** (HUZ) – Bandar Udara Huizhou – Huizhou, Guangdong
* **ZGKL** (KWL) – Bandar Udara Internasional Liangjiang Guilin – Guilin, Guangxi
* **ZGLG** (LLF) – Bandar Udara Lingling Yongzhou – Yongzhou, Hunan
* **ZGMX** (MXZ) – Bandar Udara Meixian – Meizhou, Guangdong
* **ZGNN** (NNG) – Bandar Udara Internasional Wuxu Nanning – Nanning, Guangxi
* **ZGOW** (SWA) – Bandar Udara Chaoshan Jieyang – Jieyang/Shantou, Guangdong
* **ZGSD** (ZUH) – Bandar Udara Jinwan Zhuhai – Zhuhai, Guangdong
* **ZGSZ** (SZX) – Bandar Udara Internasional Bao'an Shenzhen – Shenzhen, Guangdong
* **ZGWZ** (WUZ) – Bandar Udara Changzhoudao Wuzhou – Wuzhou, Guangxi
* **ZGZH** (LZH) – Bandar Udara Bailian Liuzhou – Liuzhou, Guangxi
* **ZGZJ** (ZHA) – Bandar Udara Zhanjiang – Zhanjiang, Guangdong

### ZH
* **ZHAY** (AYN) – Bandar Udara Anyang – Anyang, Henan
* **ZHCC** (CGO) – Bandar Udara Internasional Xinzheng Zhengzhou – Zhengzhou, Henan
* **ZHES** (ENH) – Bandar Udara Xujiaping Enshi – Enshi, Hubei
* **ZHHH** (WUH) – Bandar Udara Tianhe Wuhan – Wuhan, Hubei
* **ZHLY** (LYA) – Bandar Udara Beijiao Luoyang – Luoyang, Henan
* **ZHNY** (NNY) – Bandar Udara Jiangying Nanyang – Nanyang, Henan
* **ZHSS** (SHS) – Bandar Udara Shashi – Jingzhou, Hubei
* **ZHXF** (XFN) – Bandar Udara Liuji Xiangyang – Xiangyang, Hubei
* **ZHYC** (YIH) – Bandar Udara Sanxia Yichang – Yichang, Hubei

### ZJ
* **ZJHK** (HAK) – Bandar Udara Internasional Meilan Haikou – Haikou, Hainan
* **ZJSY** (SYX) – Bandar Udara Internasional Phoenix Sanya – Sanya, Hainan
* **ZJYX** – Bandar Udara Pulau Yongxing – Sansha, Hainan

### ZL
* **ZLAK** (AKA) – Bandar Udara Wulipu Ankang – Ankang, Shaanxi
* **ZLDH** (DNH) – Bandar Udara Dunhuang – Dunhuang, Gansu
* **ZLGM** (GOQ) – Bandar Udara Golmud – Golmud, Qinghai
* **ZLGY** (GYU) – Bandar Udara Liupanshan Guyuan – Guyuan, Ningxia
* **ZLHZ** (HZG) – Bandar Udara Xiguan Hanzhong – Hanzhong, Shaanxi
* **ZLIC** (INC) – Bandar Udara Hedong Yinchuan – Yinchuan, Ningxia
* **ZLJC** (JIC) – Bandar Udara Jinchuan Jinchang – Jinchang, Gansu
* **ZLJQ** (JGN) – Bandar Udara Jiayuguan – Jiayuguan City, Gansu
* **ZLLL** (ZGC) – Bandar Udara Zhongchuan Lanzhou – Lanzhou, Gansu
* **ZLQY** (IQN) – Bandar Udara Qingyang – Qingyang, Gansu
* **ZLTS** (THQ) – Bandar Udara Maijishan Tianshui – Tianshui, Gansu
* **ZLXN** (XNN) – Bandar Udara Caojiabu Xining – Xining, Qinghai
* **ZLXY** (XIY) – Bandar Udara Internasional Xianyang Xi'an – Xi'an, Shaanxi
* **ZLYA** (ENY) – Bandar Udara Ershilipu Yan'an – Yan'an, Shaanxi
* **ZLYL** (UYN) – Bandar Udara Yuyang Yulin – Yulin, Shaanxi
* **ZLYS** (YUS) – Bandar Udara Batang Yushu – Gyêgu, Yushu County, Qinghai
* **ZLZW** (ZHY) – Bandar Udara Shapotou Zhongwei – Zhongwei, Ningxia

### ZP
* **ZPBS** (BSD) – Bandar Udara Baoshan – Baoshan, Yunnan
* **ZPDL** (DLU) – Bandar Udara Dali – Dali, Yunnan
* **ZPDQ** (DIG) – Bandar Udara Dêqên Shangri-La – Shangri-La County, Yunnan
* **ZPJH** (JHG) – Bandar Udara Xishuangbanna Gasa – Jinghong, Yunnan
* **ZPLC** (LNJ) – Bandar Udara Lincang – Lincang, Yunnan
* **ZPLJ** (LJG) – Bandar Udara Sanyi Lijiang – Lijiang, Yunnan
* **ZPMS**  (LUM) – Bandar Udara Dehong Mangshi – Mang City, Yunnan
* **ZPPP** (KMG) – Bandar Udara Internasional Changshui Kunming – Kunming, Yunnan
* **ZPSM** (SYM) – Bandar Udara Simao Pu'er – Pu'er, Yunnan
* **ZPWS** (WNH) – Bandar Udara Puzhehei Wenshan – Wenshan City, Yunnan
* **ZPZT** (ZAT) – Bandar Udara Zhaotong – Zhaotong, Yunnan

### ZS
* **ZSAM** (XMN) – Bandar Udara Internasional Gaoqi Xiamen – Xiamen, Fujian
* **ZSAQ** (AQG) – Bandar Udara Tianzhushan Anqing – Anqing, Anhui
* **ZSBB** (BFU) – Bandar Udara Bengbu – Bengbu, Anhui
* **ZSCG** (CZX) – Bandar Udara Benniu Changzhou – Changzhou, Jiangsu
* **ZSCN** (KHN) – Bandar Udara Internasional Changbei Nanchang – Nanchang, Jiangxi
* **ZSDY** (DOY) – Bandar Udara Shengli Dongying – Dongying, Shandong
* **ZSFY** (FUG) – Bandar Udara Fuyang – Fuyang, Anhui
* **ZSFZ** (FOC) – Bandar Udara Internasional Changle Fuzhou – Fuzhou, Fujian
* **ZSGZ** (KOW) – Bandar Udara Huangjin Ganzhou – Ganzhou, Jiangxi
* **ZSHC** (HGH) – Bandar Udara Internasional Xiaoshan Hangzhou – Hangzhou, Zhejiang
* **ZSJA** (JGS) – Bandar Udara Jinggangshan – Ji'an, Jiangxi
* **ZSJD** (JDZ) – Bandar Udara Luojia Jingdezhen – Jingdezhen, Jiangxi
* **ZSJH** (JUH) – Bandar Udara Jiuhuashan Chizhou – Chizhou, Anhui
* **ZSJJ** (JIU) – Bandar Udara Lushan Jiujiang – Jiujiang, Jiangxi
* **ZSJN** (TNA) – Bandar Udara Yaoqiang Jinan – Jinan, Shandong
* **ZSJG** (JNG) – Bandar Udara Qufu Jining – Jining, Shandong
* **ZSJU** (JUZ) – Bandar Udara Quzhou – Quzhou, Zhejiang
* **ZSLD** (LCX) – Bandar Udara Guanzhishan Longyan – Longyan, Fujian
* **ZSLG** (LYG) – Bandar Udara Baitabu Lianyungang – Lianyungang, Jiangsu
* **ZSLQ** (HYN) – Bandar Udara Luqiao Taizhou – Taizhou, Zhejiang
* **ZSLY** (LYI) – Bandar Udara Shubuling Linyi – Linyi, Shandong
* **ZSNB** (NGB) – Bandar Udara Internasional Lishe Ningbo – Ningbo, Zhejiang
* **ZSNJ** (NKG) – Bandar Udara Internasional Lukou Nanjing – Nanjing, Jiangsu
* **ZSNT** (NTG) – Bandar Udara Xingdong – Nantong, Jiangsu
* **ZSOF** (HFE) – Bandar Udara Internasional Xinqiao Hefei – Hefei, Anhui
* **ZSPD** (PVG) – Bandar Udara Internasional Pudong Shanghai – Shanghai
* **ZSQD** (TAO) – Bandar Udara Internasional Liuting – Qingdao, Shandong
* **ZSQZ** (JJN) – Bandar Udara Jinjiang Quanzhou – Quanzhou, Fujian
* **ZSSH** (HIA) – Bandar Udara Lianshui Huai'an – Huai'an, Jiangsu
* **ZSSL** – Bandar Udara Longhua Shanghai – Shanghai
* **ZSSS** (SHA) – Bandar Udara Internasional Hongqiao Shanghai – Shanghai
* **ZSSZ** (SZV) – Bandar Udara Guangfu Suzhou – Suzhou, Jiangsu
* **ZSTX** (TXN) – Bandar Udara Internasional Tunxi Huangshan – Huangshan, Anhui
* **ZSWF** (WEF) – Bandar Udara Weifang – Weifang, Shandong
* **ZSWH** (WEH) – Bandar Udara Dashuibo Weihai – Weihai, Shandong
* **ZSWU** (WHU) – Bandar Udara Wuhu – Wuhu, Anhui
* **ZSWX** (WUX) – Bandar Udara Internasional Sunan Shuofang – Wuxi dan Suzhou, Jiangsu
* **ZSWY** (WUS) – Bandar Udara Wuyishan – Wuyishan dan Nanping, Fujian
* **ZSWZ** (WNZ) – Bandar Udara Internasional Wenzhou – Wenzhou, Zhejiang
* **ZSXZ** (XUZ) – Bandar Udara Guanyin Xuzhou – Xuzhou, Jiangsu
* **ZSYA** (YTY) – Bandar Udara Taizhou Yangzhou – Yangzhou dan Taizhou, Jiangsu
* **ZSYC** (YIC) – Bandar Udara Mingyueshan Yichun – Yichun, Jiangxi
* **ZSYN** (YNZ) – Bandar Udara Nanyang Yancheng – Yancheng, Jiangsu
* **ZSYT** (YNT) – Bandar Udara Internasional Laishan Yantai – Yantai, Shandong
* **ZSYW** (YIW) – Bandar Udara Yiwu – Yiwu, Zhejiang
* **ZSZS** (HSN) – Bandar Udara Putuoshan Zhoushan – Zhoushan, Zhejiang

### ZU
* **ZUAL** (NGQ) – Bandar Udara Ngari Gunsa – Shiquanhe, Daerah Otonomi Tibet
* **ZUAS** (AVA) – Bandar Udara Huangguoshu Anshun – Anshun, Guizhou
* **ZUBD** (BPX) – Bandar Udara Bamda Qamdo – Qamdo, Daerah Otonomi Tibet
* **ZUBJ** (BFJ) – Bandar Udara Feixiong Bijie – Bijie, Guizhou
* **ZUCK** (CKG) – Bandar Udara Internasional Jiangbei Chongqing – Chongqing
* **ZUDC** (DCY) – Bandar Udara Yading Daocheng – Daocheng, Sichuan
* **ZUDX** (DAX) – Bandar Udara Heshi Dazhou – Dazhou, Sichuan
* **ZUGU** (GYS) – Bandar Udara Panlong Guangyuan – Guangyuan, Sichuan
* **ZUGY** (KWE) – Bandar Udara Internasional Longdongbao Guiyang – Guiyang, Guizhou
* **ZUJZ** (JZH) – Bandar Udara Huanglong Jiuzhai – Jiuzhaigou, Sichuan
* **ZUKD** (KGT) – Bandar Udara Kangding – Kangding, Sichuan
* **ZUKJ** (KJH) – Bandar Udara Huangping Kaili – Kaili, Guizhou
* **ZULB** (LLB) – Bandar Udara Libo – Libo, Guizhou
* **ZULP** (LIA) – Bandar Udara Liangping – Liangping, Chongqing
* **ZULS** (LXA) – Bandar Udara Gonggar Lhasa – Lhasa, Daerah Otonomi Tibet
* **ZULZ** (LZO) – Bandar Udara Lantian Luzhou – Luzhou, Sichuan
* **ZUMY** (MIG) – Bandar Udara Nanjiao Mianyang – Mianyang, Sichuan
* **ZUNC** (NAO) – Bandar Udara Gaoping Nanchong – Nanchong, Sichuan
* **ZUNP** (HZH) – Bandar Udara Liping – Liping, Guizhou
* **ZUNZ** (LZY) – Bandar Udara Mainling Nyingchi – Nyingchi, Daerah Otonomi Tibet
* **ZUQJ** (JIQ) – Bandar Udara Wulingshan Qianjiang– Qianjiang, Chongqing
* **ZURK** (RKZ) – Bandar Udara Perdamaian Shigatse – Shigatse, Daerah Otonomi Tibet
* **ZUTC** (TCZ) – Bandar Udara Tuofeng Tengchong – Tengchong, Yunnan
* **ZUTR** (TEN) – Bandar Udara Fenghuang Tongren – Tongren, Guizhou
* **ZUUU** (CTU) – Bandar Udara Internasional Shuangliu Chengdu – Chengdu, Sichuan
* **ZUWX** (WXN) – Bandar Udara Wuqiao Wanzhou – Wanzhou, Chongqing
* **ZUXC** (XIC) – Bandar Udara Qingshan Xichang – Xichang, Sichuan
* **ZUXJ** – Bandar Udara Xinjin – Xinjin, Sichuan
* **ZUYB** (YBP) – Bandar Udara Caiba Yibin – Yibin, Sichuan
* **ZUYI** (ACX) – Bandar Udara Xingyi – Xingyi, Guizhou
* **ZUZH** (PZI) – Bandar Udara Bao'anying Panzhihua – Panzhihua, Sichuan
* **ZUZY** (ZYI) – Bandar Udara Xinzhou Zunyi – Zunyi, Guizhou

### ZW
* **ZWAK** (AKU) – Bandar Udara Aksu – Aksu, Xinjiang
* **ZWAT** (AAT) – Bandar Udara Altay – Altay, Xinjiang
* **ZWBL** (BPL) – Bandar Udara Alashankou Bole – Bole, Xinjiang
* **ZWCM** (IQM) – Bandar Udara Qiemo – Qiemo, Xinjiang
* **ZWFY** (FYN) – Bandar Udara Fuyun – Fuyun, Xinjiang
* **ZWHM** (HMI) – Bandar Udara Hami – Hami, Xinjiang
* **ZWKC** (KCA) – Bandar Udara Qiuci Kuqa – Kuqa, Xinjiang
* **ZWKL** (KRL) – Bandar Udara Korla – Korla, Xinjiang
* **ZWKM** (KRY) – Bandar Udara Karamay – Karamay, Xinjiang
* **ZWKN** (KJI) – Bandar Udara Kanas – Burqin County, Xinjiang
* **ZWNL** (NLT) – Bandar Udara Nalati – Künes County (Xinyuan), Xinjiang
* **ZWSH** (KHG) – Bandar Udara Kashgar – Kashgar, Xinjiang
* **ZWSS** (SXJ) – Bandar Udara Shanshan – Shanshan, Xinjiang
* **ZWTC** (TCG) – Bandar Udara Tacheng – Tacheng, Xinjiang
* **ZWTN** (HTN) – Bandar Udara Hotan – Hotan, Xinjiang
* **ZWTP** (TLQ) – Bandar Udara Jiaohe Turpan – Turpan, Xinjiang
* **ZWWW** (URC) – Bandar Udara Internasional Diwopu Urumqi – Urumqi, Xinjiang
* **ZWYN** (YIN) – Bandar Udara Yining – Yining, Xinjiang

### ZY
* **ZYAS** (AOG) – Bandar Udara Teng'ao Anshan – Anshan, Liaoning
* **ZYBS** (NBS) – Bandar Udara Changbaishan – Baishan, Jilin
* **ZYCC** (CGQ) – Bandar Udara Internasional Longjia Changchun – Changchun, Jilin
* **ZYCY** (CHG) – Bandar Udara Chaoyang – Chaoyang, Liaoning
* **ZYDD** (DDG) – Bandar Udara Langtou Dandong – Dandong, Liaoning
* **ZYDQ** (DQA) – Bandar Udara Sartu Daqing – Daqing, Heilongjiang
* **ZYHB** (HRB) – Bandar Udara Internasional Taiping Harbin – Harbin, Heilongjiang
* **ZYHE** (HEK) – Bandar Udara Heihe – Heihe, Heilongjiang
* **ZYJL** (JIL) – Bandar Udara Ertaizi Jilin – Jilin City, Jilin
* **ZYJM** (JMU) – Bandar Udara Dongjiao Jiamusi – Jiamusi, Heilongjiang
* **ZYJX** (JXA) – Bandar Udara Xingkaihu Jixi – Jixi, Heilongjiang
* **ZYJZ** (JNZ) – Bandar Udara Xiaolingzi Jinzhou – Jinzhou, Liaoning
* **ZYLD** (LDS) – Bandar Udara Lindu Yichun – Yichun, Heilongjiang
* **ZYMD** (MDG) – Bandar Udara Hailang Mudanjiang – Mudanjiang, Heilongjiang
* **ZYMH** (OHE) – Bandar Udara Gulian Mohe – Mohe, Heilongjiang
* **ZYQQ** (NDG) – Bandar Udara Sanjiazi Qiqihar – Qiqihar, Heilongjiang
* **ZYTL** (DLC) – Bandar Udara Internasional Zhoushuizi Dalian – Dalian, Liaoning
* **ZYTN** (TNH) – Bandar Udara Sanyuanpu Tonghua – Tonghua, Jilin
* **ZYTX** (SHE) – Bandar Udara Internasional Taoxian Shenyang – Shenyang, Liaoning
* **ZYXC** (XEN) – Bandar Udara Xingcheng – Xingcheng, Liaoning
* **ZYYJ** (YNJ) – Bandar Udara Chaoyangchuan Yanji – Yanji, Jilin

## ZK - [[Korea Utara]]

* **ZKPY** (FNJ) – Bandar Udara Internasional Sunan Pyongyang – Pyongyang

## ZM - [[Mongolia]]

* **ZMAH** (AVK) – Bandar Udara Arvaikheer – Arvaikheer, Övörkhangai
* **ZMAT** (LTI) – Bandar Udara Altai – Altai, Govi-Altai
* **ZMBH** (BYN) – Bandar Udara Bayankhongor – Bayankhongor, Bayankhongor
* **ZMBN** (UGA) – Bandar Udara Bulgan – Bulgan, Bulgan
* **ZMBS** (HBU) – Bandar Udara Bulgan, Khovd – Bulgan, Khovd, Khovd
* **ZMBU** (UUN) – Bandar Udara Baruun-Urt – Baruun-Urt, Sükhbaatar
* **ZMCD** (COQ) – Bandar Udara Choibalsan – Choibalsan, Dornod
* **ZMDN** (ULZ) – Bandar Udara Donoi – Uliastai, Zavkhan
* **ZMDZ** (DLZ) – Bandar Udara Dalanzadgad – Dalanzadgad, Ömnögovi
* **ZMHH** (KHR) – Bandar Udara Kharkhorin – Kharkhorin, Övörkhangai
* **ZMHU** (HJT) – Bandar Udara Khujirt – Khujirt, Övörkhangai
* **ZMKD** (HVD) – Bandar Udara Khovd – Khovd, Khovd
* **ZMMG** (MXW) – Bandar Udara Mandalgovi – Mandalgovi, Dundgovi
* **ZMMN** (MXV) – Bandar Udara Mörön – Mörön, Khövsgöl
* **ZMTG** (TSZ) – Bandar Udara Tsetserleg – Tsetserleg, Arkhangai
* **ZMUB** (ULN) – Bandar Udara Internasional Chinggis Khaan (sebelumnya Bandar Udara Buyant Ukhaa) – Bandar Udara Ulan Bator (Ulaanbaatar)
* **ZMUG** (ULO) – Bandar Udara Ulaangom – Ulaangom, Uvs
* **ZMUH** (UNR) – Bandar Udara Öndörkhaan – Öndörkhaan, Khentii
* **ZMUL** (ULG) – Bandar Udara Ölgii – Ölgii, Bayan Ölgii

## Lihat pula
* Daftar bandar udara di Cina
* Daftar bandar udara tersibuk di Cina

## Referensi
* 
*  - includes IATA codes
* Aviation Safety Network  - IATA and ICAO airport codes

## Catatan kaki