Tuzla is a city located in Constanța County in southeastern Romania, in the Dobruja region near the Black Sea coast. It is situated in the eastern part of the country, part of the Constanța County administrative division.
The city serves as a local settlement within one of Romania's coastal counties. Like many smaller municipalities in the region, Tuzla is part of the broader geography and administrative structure of Constanța County, which encompasses various towns and villages across southeastern Romania.