There is something.

～があります/います。

We use 'あります' for something cannot move such as plants, tests, and buildings. And we use 'います' for things that can move such as people, buses, and animals. 

For example, "there is a book." We can say, "ほんがあります."

If we want to say "there is something at X time or X place."We add 'に’after the time or place and put it in the beginning of the sentence. For example, "there is a bank near the park." We can say, "こうえんのそばに ぎんこうがあります." 'こうえん' means 'park', and 'そば' means 'near'. We use 'の' to connect 'park' and 'near', then we add ’に’after them, and put them all in the beginning of the sentence.

Do you remember we mentioned that we put particle 'で' after location words? However, we put 'に' here after location words. Why? The difference is, when you use 'で', it means there is an event taking place. For example, "I took pictures in the park." We use 'で', "わたしは こうえんで しゃしんをとりました。" You were doing something at that place, the event was 'took pictures.'