Thou Art a Vineyard (, transliterated: Shen Khar Venakhi) is a MedievalGeorgian hymn. The text was written by King Demetre I (Demetrius I) of Georgia (1093-1156 AD). The composer of the music is unknown. The hymn is dedicated to Georgia and the patronage of the Virgin Mary; it is also a prayer of praise to Mary in the Georgian Orthodox Church.
Thou Art a Vineyard is usually sung by a choir without instrumental accompaniment and is a classic example of Georgian choral music.
Compositionally, the hymn is characterized as very polyphonic and is representative of the late Medieval traditions of the Georgian Renaissance.