The icon is depicting a castle or palace of some kind. The palace is symmetrical with an archway in the middle and five turrets with a prominent tower in the middle. There are two windows on the palace.
This Palace icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.