Sector 1 is an administrative unit of Bucharest located in the northern part of the city.

It contains also the northwestern districts of Băneasa and Pipera.

Like each of Bucharest sectors, there is a Local Court (Judecătoria Sectorului 1), which it submits to the Bucharest Tribunal (Tribunalul București).

[3] The mayor of the sector is Clotilde Armand from the Save Romania Union (USR).

The Local Council of Sector 1 has 27 seats, with the following party composition (as of 2020):