new post; new workplace after transfer
Refers to the location or position one is transferred to, typically in a company or organization.
My new post has been decided as the Osaka branch.
I want to get used to the work at my new post quickly.
赴任先 emphasizes the act of going to a new post, often used for the initial assignment or a new appointment.
Compound of 転任 (transfer of post) and 先 (destination, place).