This is the 16962nd most frequent Russian word.
соседних
"Neighboring" or "adjacent."
The word 'соседние' conveys 'neighboring' and describes proximity to the streets mentioned.
Мы исследовали соседние улицы, чтобы найти магазин.
We explored the neighboring streets to find a shop.
Here, 'соседних' refers to houses that are near or next to the subject of the sentence.
В соседних домах проводят ремонт.
Renovations are being done in the neighboring houses.
The term 'соседние' emphasizes proximity and geographical adjacency of the countries mentioned.