The city was named after Syed Karimuddin, who is thought to be its founder. The district lies approximately between the latitudes 17° 50' and 19° 05'N and longitudes 78° 29' and 80° 22'E.  Karimnagar district is bounded by Madhya Pradesh State in the east, Nizamabad district in the West, Warangal and Medak dist​ricts in the South and Adilabad district in the North directions. Karimnagar area in old times is part of Sabbinadu.  Sabbi-nadu is mentioned in the mediaeval inscriptions and early Telugu literary works. The Parbhani plates Vemulawada Chalukya ruler Arikesari III, dated S. 888 (A.D. 996) registers the gift of Kuttum-vritti Vanikatupalu in the Repaka-12 in the Sabbi-Sayi…

Rali Vagu is a tributary of Godavari River. Origin: Near Kurreghad village, Kasipet Mandal, Mancherial District, Telangana State, India. Length: Around 30 kms. Districts : Mancherial Outflow: Godavari River Start: Kurreghad End: Mancherial Ralivagu Project is Medium Irrigation Project across Ralivagu 2 Km North-East of Mulkalla Village and 10 Km from Mancherial Railway station, which is a tributary of Godavari River. The stream flows in a hilly and steep ground in forest area. The catchment area 50.74 Sq Miles. Reservoir capacity is 11.57 Mcum, which is having two main canals to irrigate an ayacut of 3280 acres.

Origin : Ralla Vagu  or Rallavagu River is a tributary of Godavari River originates near the village Dondla is located in Tiryani Mandal of Kumuram Bheem Asifabad District in the State of Telangana. Outflow : Godavari River Length : Around 40 Km Districts : Mancherial. Mandals : Kasipet, Mandamarri Start : Dondla Village End : Godavari, Mancherial Tribuaries Devapur Vagu or Salpal Vagu or Salpala Vagu stream, which originates near Devapur village, Kasipet mandal, Mancherial district, Telangana. Length : Around 25 kms Palavagu or Pala Vagu stream, which originates near Akenipalle Village, Mandamarri mandal, Mancherial district, Telangana to form the Rallavagu which drains into the Godavari after flowi…