The Senedd, officially known as the Welsh Parliament in English and Senedd Cymru in Welsh, is the devolved, unicameral legislature of Wales. A democratically elected body, it makes laws for Wales, agrees to certain taxes, and scrutinises the Welsh Government. It is a bilingual institution, with both Welsh and English being the official languages of its business. From its creation in May 1999 until May 2020, the Senedd was officially known as the National Assembly for Wales and often simply called the Welsh Assembly.

The secretary of state for Wales, also referred to as the Welsh secretary, is a secretary of state in the Government of the United Kingdom, with responsibility for the Wales Office. The incumbent is a member of the Cabinet of the United Kingdom.