VARIBOBI, Greece (AP) — Greece evacuated people in boats from an island beach Wednesday amid heavy smoke from a nearby wildfire and fire crews fought elsewhere to keep flames away from the birthplace of the ancient Olympic Games as the country sweltered under a record heat wave.

With over 100 wildfires burning in Greece, the European Union sent assistance to it and other southeast Europe countries grappling with huge wildfires. The help came a day after another major blaze burned more than 100 homes and businesses near the Greek capital of Athens.

Civil Protection chief Nikos Hardalias said 11...