Deva is a city in Romania, in the historical region of Transylvania, on the left bank of the Mures River. It is the capital of Hunedoara County.

Deva is dominated by the Citadel Hill, a protected nature reserve because of its rare floral species and the presence of the horned adder. Perched on the top of the hill are the ruins of the Citadel built in the 13th century. Tourists can visit the Citadel by climbing the hill or using the cable car. The machinery covers a distance of 160 meters and it can transport up to 16 people.

Deva's tourist attractions include the Arts Theatre, the Patria Cinema, the Old Centre and the Citadel Park, where there are the statues of Mihai Eminescu and Decebal and the Magna Curia Palace. There is also the Aqualand Complex, a recently built leisure centre situated near the Citadel Park. It is an important tourist spot for the Transylvania region. Downtown the city, the House of culture and the musical fountain represent two elements that define the town centre of Deva.

Deva is considered the Gymnastics capital of Romania because the National gymnastics training center is located in the city. Many of the country's Olympic gymnasts have trained in Deva, including Nadia Comaneci.