Nice lighting in the garden is great, but if it bothers the neighbors, you have to take action.
You probably know that from your own garden: When you are creative, flowers and plants are often not enough, then you need accessories and of course lighting in the garden.
Light is often used to set the scene in the garden in the evening or at night. A wide variety of light sources are used to illuminate the individual areas of the garden. And that can be a problem.
If the neighbor feels disturbed
Namely when the neighbor feels disturbed by the lighting in the garden. It doesn't matter whether his house, his terrace or his windows are illuminated directly or only the surroundings are illuminated.
Motion sensors are allowed
If it bothers him, he can request that the lights be switched off at night. This must be permanent lighting, with the exception of lights with motion sensors and streetlights on public property.
In order not to get into an unnecessary quarrel with your neighbor , you should hold back in some cases if you don't want to risk it.