Morgan City is a small city in St. Mary Parish, Louisiana, United States, located in the Acadiana region. The population was 11,472 at the 2020 census. Known for being "right in the middle of everywhere", Morgan City is located 68 miles (109 km) southeast of Lafayette, 64 miles (103 km) south of Baton Rouge, and 86 miles (138 km) west of New Orleans.

St. Mary Parish is a parish located in the U.S. state of Louisiana. As of the 2020 census, the population was 49,406. The parish seat is Franklin. The parish was created in 1811.