with whom it share boundaries?
It runs along the southern bank of the Avon from the Bristol Channel, then follows around the southern edge of the Bristol built-up area, before continuing upstream along the Avon, and then diverges from the river to include Bath and its historic hinterland to the north of the Avon, before meeting Wiltshire at the "Three Shire Stones" on the "Fosse Way" at Batheaston.
Somerset
The present-day northern border of Somerset (adjoining the counties of Bristol and Gloucestershire) runs along the southern bank of the Avon from the Bristol Channel, then follows around the southern edge of the Bristol built-up area, before continuing upstream along the Avon, and then diverges from the river to include Bath and its historic hinterland to the north of the Avon, before meeting Wiltshire at the "Three Shire Stones" on the "Fosse Way" at Batheaston.
when were the tales of king arthur written 9th-century who was he? He was a legendary British leader. with whom he was married to? Guinevere was she ever kidnapped by anyone? It was written  that she was kidnapped by Melwas, king of the "Summer Country where is this country located? UNANSWERABLE what is the summer country also refer as? "Aestiva Regio", perhaps meaning Somerset
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Somerset [SEP] Boundaries
The present-day northern border of Somerset (adjoining the counties of Bristol and Gloucestershire) runs along the southern bank of the Avon from the Bristol Channel, then follows around the southern edge of the Bristol built-up area, before continuing upstream along the Avon, and then diverges from the river to include Bath and its historic hinterland to the north of the Avon, before meeting Wiltshire at the "Three Shire Stones" on the "Fosse Way" at Batheaston.