The phrase "all in the vicinity" is correct and usable in written English.
It can be used to refer to everything or everyone that is located nearby or in the surrounding area.
Example: "The park was filled with families, children playing, and dogs running around, all in the vicinity of the playground."
Alternatives: "all nearby" or "all around the area".
"There are no demonstrations at all in the vicinity of the base or those piers," she said.
For the flat reflector the path taken is the shortest of all in the vicinity, while for the reflector that is more strongly curved than the ellipse it is the longest.
This was the period of the extensive American buildup in Vietnam, and at the villages of Di An, Lai Khé, Ben Cat, and Dau Tieng — all in the vicinity of Ben Suc — American and ARVN bases were either established or greatly expanded.
According to a Gnosis representative who gave details to TechCrunch, the group received several offers all in the vicinity of 2K, mostly from spammers and re-salers, "certainly not for good".
The two Anglo-Saxon cemeteries at Sutton Hoo, the monastery at Iken, the East Anglian see at Dommoc and the emerging port of Ipswich were all in the vicinity of Rendlesham.
Four 12th century structures constructed according to this plan are extant: the Basaveshwara Temple at Basavana Bagevadi, the Ramesvara Temple at Devur and the temples at Ingleshwar and Yevur, all in the vicinity of the Kalyani region, where nagara temples were common.
All the dumps in the vicinity of Naples are full or almost full.
It's a nice surrounding, until Ford suddenly freezes all the hosts in the vicinity.
(I wondered how often people fell into the water. It had to happen, with all the tequila in the vicinity. I was relieved to hear that the San Antonio beside the River Walk is only a few inches deep).
The other nine schools are all located in the vicinity of the three pilot schools and were all exposed to some Escuela Nueva training or techniques.
Now there are no names, merely signs in designated areas of the outlet floor that boldly decree all goods in the vicinity "Designer".
