オフリド湖
The records show the name as "Agara", "Agira", "Agra" in the 9th century, "Egire", "Egra" or "Ogra" in the 11th century and "Eger" in 1472. Another theory states that since in North Macedonia there exists a Lake Ohrid, the Slavic people who settled in the Balkans, particularly the region of Macedonia around Lake Ohrid, originated from the area of the river Ohře and thus named the lake in Macedonia "Ohrid".