A small town located south of Thanjavur, has population approximately 1000.

Thiruvonam is a panchayat union comprises more than 20 small villages around and far.

North East boundary of its panchayat union lies right in the suburb of Thanjavur called Mariamman Kovil.

Mrs. Uma maheshwari being current chairman of panchayat union.

MuthuThangappa Football club and festival of temples of Muthumariamman are widely regarded.