The cimbalom is a concert hammered dulcimer: a type of chordophone composed of a large, trapezoidal box with metal strings stretched across its top. It is a musical instrument commonly found in Hungary and throughout the group of Central-Eastern European nations and cultures which composed Austria-Hungary (1867–1918), namely contemporary Belarus, Hungary, Croatia, Romania, Moldova, Ukraine, Poland, the Czech Republic and Slovakia. It is also popular in Greece.