Morlachia (Latin: Morlachia; Italian: Morlacchia; Croatian: Morlakija; Romanian: Morlachia) was a vaguely defined region, named after the Morlachs, used on European maps between the 16th and the 19th centuries. Morlachia was located in modern-day Croatia between Istria and Dalmatia,[1] being opposite to the island of Krk.[2] The Morlachs were originally a Romance people related to modern Romanians before their Slavicisation.[3]