EntityQ14764· pop 30· linked from 57 articlesEslaSign in to saveriver tributary to Douro, in the provinces of León and Zamora, Castile and León, SpainConnectionsDouroEntitySpainCountryAtlantic OceanEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityLeón ProvinceEntityZamora ProvinceEntityriver mouthEntityCantabrian MountainsEntityRiañoEntitylist of rivers of SpainEntityCea RiverEntityAsturian peopleEntityÓrbigo RiverEntityBernesga RiverEntityTera RiverEntityRicobayo DamEntityCategoriesEsla (river)Rivers of Castile and LeónRivers of SpainTributaries of the Douro River