How to make query using sqlserver

Question

i have to make query 

My table structure is like this

towncodeNo               TownName

2023001                   M1

2023001                   M1

2031025                   Z1

2031025                   Z1

2031030                   Z1

Result should be

Townname      Total

M1             1

Z1             2

Kindly help me to make query using SQLServer 05