Polish daily sports newspaper Przegląd Sportowy reports the plan would see 10 locations involved, six in the Czech Republic and four in Poland.
Poland would also host bobsleigh, luge, ski cross and snowboard in Karpacz and biathlon, cross-country skiing, Nordic combined in Szklarska Poręba, curling, figure skating and speed skating
Prague, put forward as the venue for the Closing Ceremony, is one of the half-dozen locations cited in the Czech Republic along with Harrachov, Špindlerův Mlýn, Malá Úpa, Pec pod Sněžkou and Liberec.
Neither Czech Republic or Poland have hosted the Winter Olympics before.
The International Olympic Committee (IOC) is expected to launch the 2026 Winter Games bid process this year with an application deadline in 2018 and a winner elected in 2019. Calgary in Canada, Sapporo in Japan, a Swiss candidate and possibly the 2022 bid runner-up Almaty.