The Vikos–Aoös National Park is a national park in the region of Epirus in northwestern Greece. The park, founded in 1973, is one of ten national parks in mainland Greece and is located 30 kilometres (19 mi) north of the city of Ioannina in the northern part of the Pindus mountain range. It is named after the two major gorges of the area and encompasses 12,600 hectares of mountainous terrain, with numerous rivers, lakes, caves, deep canyons, dense coniferous and deciduous forest. The park is part of the Natura 2000 ecological network and one of UNESCO Geoparks and spans an elevation range from 550 to 2,497 meters. Over 100,000 people visit the park each year and take part in activities including rafting, canoe-kayaking, hiking and mountain biking.

Epirus is a traditional geographic and modern administrative region in northwestern Greece. It borders the regions of Western Macedonia and Thessaly to the east, West Greece to the south, the Ionian Sea and Ionian Islands to the west and Albania to the north. The region has an area of about 9,200 km2 (3,600 sq mi). It is part of the wider historical region of Epirus, which overlaps modern Albania and Greece but lies mostly within Greek territory.