The German men, Johann Baschenegger, 41, and Joseph Woerner, 71 were wounded in the Phuket resort of Patong Beach, Soi Sansabai.
The Australian men are believed to be connected to motorcycle gang thought to be either Bandidos, Rebels, or another gang named Rebels MC. They have been named as John Edward Cohen, 33, and Adam Lewis Shea, 26, according to Thai news website phuketwan.com
The bikers are allegedly connected to the incident, which occured following an argument over a motorbike with a Danish man. Shots were fired and the German men were wounded, apparently accidentally. One man suffered a bullet wound to the arm and the other in his shoulder.
The victims have been taken to nearly Patong Hospital for treatment.
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