The Arapovo Monastery "St. Sunday" is a Bulgarian Orthodox monastery in the Asenovgrad spiritual region of the Plovdiv Diocese of the Bulgarian Orthodox Church.

The monastery is located about 6 km east of Asenovgrad, to the right of the road to Parvomai.

It has come to an ancient holy spring (not far from the Asenovgrad village of Zlatovrah, sometimes called the Arapovo) in the 19th century.

It is one of the last newly founded monasteries before the Liberation.

Construction was started around 1856 by Hieromonk Sophronius. In 1859 the school for the monastery was founded. For the construction the money is not sheltered and invited the prominent Yugoslav master Stoyu. The Gornovoden Monastery was used as a prototype.