The Church of Our Lady of the Rosary is a Catholic church located in the Indian state of Goa. It is considered to be one of the oldest surviving churches in the region and is known for its unique blend of Indian and European architectural styles.

The church was built in the 16th century by the Portuguese on the site of a mosque. It was one of the first churches to be built in Goa after the Portuguese arrived in the region in 1510. The church was initially constructed as a chapel for the sailors who stopped at the port of Old Goa.

The church was designed in a mix of Indian and European styles, with Indian influences seen in the use of laterite stones and European influences seen in the use of arches and columns. The church has a simple facade with a bell tower on one side. The interior of the church is decorated with beautiful frescoes depicting scenes from the Bible.

The Church of Our Lady of the Rosary is also known for its association with St. Francis Xavier, a prominent Christian missionary who came to India in the 16th century. St. Francis Xavier is believed to have preached at the church and the church is considered to be a significant site of pilgrimage for Christians in India.

Today, the Church of Our Lady of the Rosary is a popular tourist destination in Goa and attracts visitors from all over the world who come to admire its beautiful architecture and learn about its rich history. The church is located in Old Goa, which is a UNESCO World Heritage Site and is home to several other historic churches and monuments.