Aguascalientes (Spanish pronunciation: [ˌa.ɣwas.kaˈljen.tes], officially the Free and Sovereign State of Aguascalientes (Spanish: Estado Libre y Soberano de Aguascalientes, literally: Hot Waters), is one of the 31 states which, with Mexico City, comprise the 32 Federal Entities of Mexico. It is divided into 11 municipalities and the capital city is Aguascalientes.

It is located in North-Central Mexico. It is bordered by the states of Zacatecas to the north and Jalisco to the south. Its name means “hot waters” in Spanish and originated from the abundance of hot springs in the area. The demonym for the state’s inhabitants is hidrocálido or aguascalentense.