Chamban
Chamban( also Romanized as Chambān and Cham Bon) is a village in Saroleh Rural District, Meydavud District, Bagh- e Malek County, Khuzestan Province, Iran.
At the 2006 census, its population was 89, in 17 families.
Cham Takleh-ye Olya
Cham Takleh- ye Olya( also Romanized as Cham Takleh- ye ‘ Oly ā and Cham Tagaleh- ye ‘ Olyā; also known as Cham Tagaleh and Cham Takleh) is a village in Honam Rural District, in the Central District of Selseleh County, Lorestan Province, Iran.
At the 2006 census, its population was 169, in 40 families.
Cham Kabud, Abdanan
Cham Kabud( also Romanized as Cham Kabūd and Cham -e Kabūd; also known as Chamkabood Bala, Cham Kabūd- e Pā'īn, and Cham Kabūd- e- Pā’īn) is a village in Cham Kabud Rural District, Sarab Bagh District, Abdanan County, Ilam Province, Iran.
At the 2006 census, its population was 1,054, in 213 families.
Cham Kharnub
Cham Kharnub( also Romanized as Cham Kharnūb and Cham -e Kharnūb; also known as Cham -e Kharkāb and Cham Karnub) is a village in Cham Khalaf- e Isa Rural District, Cham Khalaf- e Isa District, Hendijan County, Khuzestan Province, Iran.
At the 2006 census, its population was 38, in 9 families.
Cham-e Zir
Cham -e Zir( also Romanized as Cham -e Zīr; also known as Cham -e Rīz and Chamrīz) is a village in Kamfiruz- e Shomali Rural District, Kamfiruz District, Marvdasht County, Fars Province, Iran.
At the 2006 census, its population was 389, in 79 families.
Cham-e Ali
Cham -e Ali( also Romanized as Cham -e ‘ Ālī and Cham ‘ Alī) is a village in Saman Rural District, Saman County, Chaharmahal and Bakhtiari Province, Iran.
At the 2006 census, its population was 545, in 148 families.
Cham-e Aqamordeh
Cham -e Aqamordeh( also Romanized as Cham -e Āqāmordeh and Cham Āqā Mordeh) is a village in Chamsangar Rural District, Papi District, Khorramabad County, Lorestan Province, Iran.
At the 2006 census, its population was 30, in 5 families.
Chamcheshmeh
Chamcheshmeh( also Romanized as Cham Chashmeh and Cham Cheshmeh) is a village in Kuri Rural District, in the Central District of Jam County, Bushehr Province, Iran.
At the 2006 census, its population was 237, in 52 families.
Heydarabad, Poshtkuh
Heydarabad( also Romanized as Ḩeydarābād) is a village in Poshtkuh Rural District, in the Central District of Khash County, Sistan and Baluchestan Province, Iran.
At the 2006 census, its population was 181, in 35 families.
Cham-e Sobbi
Cham -e Sobbi( also Romanized as Cham -e Şobbī and Cham Şabī) is a village in Abdoliyeh- ye Sharqi Rural District, in the Central District of Ramshir County, Khuzestan Province, Iran.
At the 2006 census, its population was 292, in 61 families.

Question: Are Heydarabad, Poshtkuh and Cham-E Zir both located in the same country?
Answer: yes