Imperial is one out of the ten playable races in the Elder Scrolls Online. You can find a full list of all the races here. To play the Imperial race you have to own the Imperial Edition Account Upgrade that you can buy in the crown store.

The racial skills of the Imperials reflect their combat training and perseverance in battle, giving them bonuses to gold drop rates, shield proficiency, base health and stamina, and resource recovery when fighting back, making them resolute fighters.

Below you can see the racial passives that you benefit from when you select Imperial your race.