Kalaiya is a sub-metropolitan city and the district headquarter of Bara district. The total area of this sub-metropolitan is 108 square km. The district is one of the richest cultural districts of Nepal in terms of economy, socio-culture, history and nature since the Mithila kingdom of prehistoric days. Bara has Bakaiya, Jamuniya, Pasaha, Dudhaura and Bangari as the main rivers. Simraungadh, a village in Bara, is famous for agricultural products like Wheat, Corn, Cauliflower, Cabbage, Carrot, Cucumber, Potato and so on all around Nepal. These rivers are able to provide the irrigation necessary for the cultivation of these products.
At the time of the 2011 Nepal Census, Kalaiya had a population of 123,659 residing in 28645 individual households. The city is a really small and beautiful place filled with people of different racial backgrounds including the people from Bihar, India. The predominant languages practiced here are Bhojpuri, Maithili, Nepali, Urdu, Tamang and Tharu.
Simraungadh; An ancient fortified city.
Parvati Mandir.
Landmarks like Pani Tanki, Ghanta Ghar.
Kankali Temple.
Barewa Palace.
Food like Sekuwa, Bhaja, and Chatpate.
Parsa wildlife reserve; The largest wildlife reserve in the country.
Jhorahar Pond.
Famous Gadhimai Temple.
Amlekhgunj.
Nijgadh Forest.
Kalaiya is connected to the rest of Nepal by the East-West Mahendra Highway. Regular buses and micro-buses travel to the city from different parts of Nepal. Kalaiya is about 130km from Kathmandu and can take about 5 hours to reach. The best way to explore the city is by cycle rickshaws and electric rickshaws. They are found almost everywhere ready to take you to your desired location.
Kalaiya doesn't have an airfield. However, Simara Airport in Birgunj is located in close proximity to the city. It takes about 30 minutes to reach Kalaiya from the airport covering a distance of 20km. Regular buses and taxis are available to reach Kalaiya from the airport. Nepal Airlines and Buddha Airlines have been providing their service.