Shops of radio components in Germany and Poland?

Question

Electronic components

Hello.
Interested in (off-line) shops of radio components and electronics in Germany and Poland, possibly Lithuania. specific addresses. If you have any shopping experience, please share.
(I tried to search through search engines - but I didn’t find anything sensible - either online stores or already finished products).

Answer 1

"I tried to search through search engines - but I didn’t find anything sensible - either online stores or ready-made products" no, I didn’t try, the first requests without knowing the language - I found several offline stores
https://www.google.ru/#newwindow= 1&q=kaufen+Konden...
https://www.google.ru/#newwindow=1&q=kaufen+Widers...