Also, lots of Mid East or central Asia town names end with -abad (https://en.wiktionary.org/wiki/%D8%A2%D8%A8%D8%A7%D8%AF#Pers...). Interestingly, so do some large American city names, I can't remember which.
This is also the case in South Asia, especially in areas that were once ruled by Islamic monarchies.
Also, lots of Mid East or central Asia town names end with -abad (https://en.wiktionary.org/wiki/%D8%A2%D8%A8%D8%A7%D8%AF#Pers...). Interestingly, so do some large American city names, I can't remember which.