Ceadîr-Lunga is a city in the Gagauz Autonomous Territorial Unit of the Republic of Moldova. It is the second largest city in Gagauzia, with a population of 14,285.
The city also serves as the seat of a district within the same autonomous territorial unit. Gagauzia is an autonomous region in southern Moldova, and Ceadîr-Lunga ranks behind only the regional capital in size among its urban centres.