It formerly also included the county of Jämtland, which is today part of Sweden; it is therefore also known unofficially as Øst-Trøndelag. The districts of Nordmøre and Romsdal, and the municipality of Bindal, were also originally parts of Trøndelag - and the inhabitants there still speak dialects similar to Trøndersk. The region is, together with Møre og Romsdal, part of a larger administrative division called Central Norway.