Both countries claim the name "Macedonia" as their own. After decades of thorny negotiations, the former Yugoslav republic will become the Republic of North Macedonia.
Alexander the Great is central to identity in Greece and Macedonia, which are quarreling over Macedonia's name — and bragging rights to the 4th century B.C. military genius.
Migrants and refugees have waited for months at the makeshift camp near Idomeni. They hoped to cross into Macedonia, but the border has been shut. Now they're being transferred to camps farther south.
Riot police with tear gas and stun grenades faced off with fence-storming migrants and refugees at the border between Greece and Macedonia on Sunday. Tens of thousands of migrants are stranded there.