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Former Holy Trinity Cathedral, Łomża (Church of the Assumption)

Бывший Свято-Троицкий собор в Ломже (костёл Успения Пресвятой Девы Марии)

PolandЛомжа1873–1877Public buildings

The Orthodox Church of the Holy Trinity was built in the 1870s in Łomża, then part of the Kingdom of Poland within the Russian Empire: according to Polish Wikipedia, the decision to build was taken in 1873, while the monument register dates the building to 1877. From 1885 the church had the status of a cathedral, and in 1893 its interior was painted. After 1918 the building passed to the Roman Catholic Church and became the Church of the Assumption of the Blessed Virgin Mary.

Православная церковь Святой Троицы построена в 1870-х годах в Ломже, входившей тогда в Царство Польское в составе Российской империи: по данным польской Википедии, решение о строительстве принято в 1873 году, реестр памятников датирует здание 1877 годом. С 1885 года храм имел статус собора, в 1893 году получил внутреннюю роспись. После 1918 года здание перешло Римско-католической церкви и стало костёлом Успения Пресвятой Девы Марии.

Property abroad

EraChurch

FunctionChurch

Present ownerRoman Catholic Church — a rectoral church within the Cathedral Parish of St Michael the Archangel in Łomża

Acquisitionbuilt, 1873

StatusSold, transferred or lost

As of2026-06

The monument register of the National Institute of Cultural Heritage of Poland (Podlaskie Voivodeship; as of 30 June 2026) lists the building as an Orthodox church, now the Roman Catholic filial Church of the Assumption on Sienkiewicz Square (No. A-268 of 5 November 1985).