First, consider the purpose of the coat hook. If it is for personal use, such as hanging a bathrobe after the shower, it should be installed in an easily accessible location, such as behind the bathroom door. That way, your bathrobe is within reach as soon as you step out of the shower.
If you have limited wall space in your bathroom, or if you want to keep towels off the floor, towel hooks on the door might be a better option. Choose a location where towels won't drag on the floor when the door is opened or closed.
Finally, if you want to create a cohesive look in your bathroom, consider installing multiple towel hooks in a row to find the best spot for your bathrobe hook. It is important to consider the purpose of the coat hook, the amount of wall space available, and your personal preferences. With these factors in mind, you can choose the ideal location and enjoy the convenience and style of a coat hook.