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# Tresa commune (Ticino canton, Switzerland)

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Last modified: 2026-04-04 by martin karner
Keywords: croglio | tresa | monteggio | ponte tresa | sessa |
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image located by Martin Karner

Or grapes Azure slipped and leaved Vert a base of the Second surmounted by a four arched bridge Argent.
Christopher Southworth

On 18 April 2021 the new commune of Tresa was formed through the merger of Croglio, Monteggio, Ponte Tresa and Sessa (see below).
As the emblem of Ponte Tresa, the new emblem of Tresa takes up the bridge over the Tresa river at the Swiss-Italian border.

- Croglio
- Monteggio
- Ponte Tresa
- Sessa

See also:

- Lugano district
- Ticino canton
- Switzerland

## Croglio (until 17 April 2021)

image by Pascal Gross

Argent a doorless castle embattled ajouré Gules and in chief a hazel branch with two hazels Vert fructed or.
Christopher Southworth

The fruits on the flag of Croglio are hazel-nuts. The red castle (in Italian castello rosso) makes the flag canting [referring to Castelrotto. The hazel-nut is called croy and colurin in the local dialect].
Pascal Gross, 4 July 2003

Croglio was formed in 1975 through the merger of Croglio-Castelrotto and Biogno-Beride.

## Monteggio (until 17 April 2021)

image by Pascal Gross

Per saltire gules and sable and in a chief or an eagle displayed sable.
Željko Heimer, 14 July 2003

## Ponte Tresa (until 17 April 2021)

image by Pascal Gross

Per fess gules and argent, four barrulets azure; resting upon the line of partition a five-arched bridge or, ensigned of a mule sable; swimming in the waters in base three eels sable.
Mike Oettle, 15 July 2003

## Sessa (until 17 April 2021)

image by Pascal Gross

Gules a castle ajouré with two towers embattled fourché Argent ensigned with a swan of the Same.
Christopher Southworth