situated
Both are correct, but "situated in the center" is slightly more common.
It is situated in London
The city was situated on the bay.
it is situated at Sarnath
it is situated at Sarnath
i do not know but it was situated in or with napolen on his march
France is not situated on a river.
the RBI is situated in New Delhi
Iraq is a country located in the Middle East, bordered by Turkey to the north, Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest, and Syria to the west.
It is situated at the abdomen
Vietnam is situated in Southeast Asia.