Slovakia
What the source says
Referenced, awaiting primary-source reviewThe current design was adopted on September 3, 1992. Like many other flags of Slavic nations, [it] uses the Pan-Slavic colours (white, blue, and red). The coat of arms features a patriarchal cross positioned above three hills [...] based on an existing 14th-century coat of arms of Hungary, while enlarging the three hills to emphasize it as a national symbol. [No individual meanings are stated for the colours.]
Referenced, not verified: a secondary work states this, and the document that constitutes the flag has not been read for this entry. What the marks mean.
Colors
Symbolism and history(r1)
A white-blue-red horizontal tricolor bears the national coat of arms - a patriarchal double cross on three hills, based on a 14th-century coat of arms of Hungary with the three hills enlarged as a national symbol - offset toward the hoist, adopted in 1992.
Most similar flags
The 6 closest of the 194 other national flags, ranked by a similarity index computed from the flag images themselves. The number is that index, 0–100 — not a claim that the two flags are “X% identical”.
- Russia94
the same horizontal band layout; near-identical colour proportions.
- Czech Republic93
the same horizontal band layout; near-identical colour proportions.
- Chile89
the same horizontal band layout; near-identical colour proportions.
- Malaysia86
the same horizontal band layout; near-identical colour proportions.
- Liberia85
the same horizontal band layout; near-identical colour proportions.
- Serbia85
the same horizontal band layout; near-identical colour proportions.
Computed at build time: each flag is rasterised to 64x48, and the score is 0.55 × colour overlap + 0.45 × structure. A different weighting would rank these differently. How the index works.
References — not verification
(r1) Referenced to Flag of Slovakia (Wikipedia (English)) on 2026-07-17. States the adoption year, which colors the flag has and the symbolism and history on this page. The passage it states them in is quoted at the top of this entry.
Further reading: Flag of Slovakia on Wikipedia