Holy Trinity Orthodox Church
Sharing the Gospel of Christ in Sioux City Since 1918
Learn more about the history of Holy Trinity! Learn More »
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Upcoming Events
Yiayia's Attic
Yiayia's Attic is Holy Trinity's community wide rummage sale. Come check out gently used items! CASH ONLY!
Annual Church Picnic
Upcoming Services
Saturday, August 20
6 pmGreat Vespers
St. Thomas Orthodox Church, 1100 Jones St, Sioux City, IA 51105, USA
Sunday, August 21
8:15 amSunday Orthros followed by Divine Liturgy
Holy Trinity Greek Orthodox, 900 6th St, Sioux City, IA 51101, USA
Tuesday, August 23
6 pmParaklesis Service
Holy Trinity Greek Orthodox, 900 6th St, Sioux City, IA 51101, USA
Saturday, August 27
8:30 amOrthros & Divine Liturgy St. Phanourios
Holy Trinity Greek Orthodox, 900 6th St, Sioux City, IA 51101, USA
6 pmGreat Vespers
St. Thomas Orthodox Church, 1100 Jones St, Sioux City, IA 51105, USA
Sunday, August 28
8:15 amSunday Orthros followed by Divine Liturgy
Holy Trinity Greek Orthodox, 900 6th St, Sioux City, IA 51101, USA

Online Chapel
10th Thursday after Pentecost
Visit the Online Chapel for more daily readings, hymns, a monthly calendar of saints and feasts, and more.