Debrecen is Hungary's second-largest city, after Budapest, the regional centre of the Northern Great Plain region and the seat of Hajdú-Bihar County.
The Debrecen Flower Carnival is Debrecen’s best-known event. It is a week-long colorful program of events in August.
The Reformed Great Church is an icon of Protestantism in Hungary, the church has earned the city the nickname "the Calvinist Rome"
The Reformed Small Church of Debrecen is the oldest church building in the city.
More than 130 years old, Zsuzsi is Hungary’s oldest narrow-gauge railway.