noun
shipping address; destination (for parcels, letters, etc.)
Used in logistics, e-commerce, and postal contexts to refer to the address or place where an item is to be sent.
注文フォームに発送先を入力してください。
Please enter the shipping address in the order form.
発送先が間違っていると
If the destination is wrong, the package won't arrive.
届け先 focuses on the delivery destination from the recipient's perspective, while 発送先 is from the sender's perspective.
Compound of 発送 (dispatch, shipping) + 先 (destination, address).