The continent of Europe is technically part of Eurasia, but historically it has been considered a separate continent. It is not possible to precisely delineate the area based on country borders. Russia
, for example, has a European and an Asian part. The Ural Mountains are seen as a border between the two parts (see also the Europe - Mountain Ranges Quiz
also has a European part (Eastern Thrace) and an Asian part (Anatolia, in the Middle East).