Saya mau tau Sakai, Osaka dari Kota utama. Jelaskan dalam bahasa sunda

Designated on 1 April 1996, achieved the status of designated city in 2006.

Both designated on 1 April 1996, achieved the status of designated city in 2007.

Di handap ieu, kota-kota nu bakal jadi kota utama.

The following cities have populations gréater than 300,000 but have not yet been nominated. (Cities planning to apply for core city status are not shown. ※Special Cities)