Origin of Dobrzynski name

rzysztof Dobrzynski, that is Krzysztof from Dobrzyn; this is how I would have been called in the XIV century. From the XV century people started to make use of surnames. It was very common especially for people who wanted to show the name of a place they owned or came from. Therefore, in the XV century I would be Krzysztof Dobrzynski or Krzysztof de Dobrzynski. All these places get their names Dobrzyn originally from connection with the root word dobry, "good, kind," or, more often, people bearing names with this root, such as ancient Polish names Dobroslaw or Dobromir.
In many different parts of Poland, there are many villages and towns of Dobrzyn;

Dobrzyn, settlement, Przechlowo district near Chojnice (Koszalin province)		Dobrzyn, village, Szkotowo district near Nidzica (Olsztyn province)
Dobrzyn, village, Lubsza district near Brzeg (Opole province)	Does not exist at present	Dobrzyn, village, Czosnów district near Nowy Dwór Mazowiecki (Warsaw province)
Dobrzyn, village, Czarnowice district near Gubin (Zielona Góra province)		Dobrzyn, village, Przewóz district near Żary on Nysa Łużycka River (Zielona Góra province)
Dobrzyn on Wistula known form 1065 the capital of Dobrzynski Land		Town Golub-Dobrzyn which before 1951 were two separate towns.
Many of small towns around Białystok like Dobrzyniewo, Dobrzyniówka		Dobrzyce and Dobrzyniewo around Pila

n 1994, there were 8215 persons residing in Poland named Dobrzynski. The most were in Warsaw district 1347 followed by Ciechanow district 499, Gdansk district 409, Olsztyn district 404, Katowice district 300, Lodz district 300, Skierniewice district 291, Bialystok district 286, and Bydgoszcz district 268.
green 1-50 yellow 51-100 blue 101-200 violet 201-300 red over 301

Many people bearing Dobrzynski name have lived in Great Poland region. There are indicated places I came across where I found Dobrzynski'