| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
601  | Imandriky | Madagascar, Androy Ambovombe District > Imanombo > Mitsinjo | populated place | S 24° 20′ 0'' | E 45° 48′ 0'' |
602  | Imandazaka | Madagascar, Upper Matsiatra | stream | S 22° 0′ 0'' | E 46° 31′ 0'' |
| 603 | Imanda | Madagascar, Androy Bekily District > Vohimanga > Manaravolo | populated place | S 23° 58′ 0'' | E 45° 40′ 0'' |
| 604 | Imana | Madagascar, Vatovavy Region | stream | S 21° 12′ 0'' | E 48° 13′ 0'' |
| 605 | Imambe Imahabe,Imambe | Madagascar, Atsimo-Atsinanana Vangaindrano > Ambatolava > Ambatolava | populated place | S 23° 36′ 0'' | E 47° 13′ 0'' |
| 606 | Imamba Rivière | Madagascar, Alaotra Mangoro | stream | S 17° 37′ 0'' | E 48° 16′ 0'' |
| 607 | Imamaha | Madagascar, Anosy Betroka > Bekorobo > Nanarena Antondrotsy | populated place | S 23° 53′ 0'' | E 45° 58′ 0'' |
| 608 | Imaloto | Madagascar, Atsimo-Andrefana | stream | S 23° 27′ 0'' | E 45° 12′ 0'' |
609  | Imaloto | Madagascar, Anosy Betroka > Ianakafy > Jangany | locality | S 23° 15′ 0'' | E 45° 20′ 0'' |
| 610 | Imalaza | Madagascar, Upper Matsiatra Isandra > Fanjakana > Ranomena | populated place | S 21° 9′ 0'' | E 46° 54′ 0'' |
| 611 | Imalaza | Madagascar, Upper Matsiatra Ikalamavony > Ambatomainty > Tanambao | populated place | S 20° 52′ 0'' | E 46° 29′ 0'' |
| 612 | Imakarivo Nord | Madagascar, Ihorombe Ihosy > Ambatolahy > Ivaro Est | populated place | S 22° 35′ 0'' | E 45° 49′ 0'' |
| 613 | Imaha Rivière | Madagascar, Atsimo-Atsinanana | stream | S 24° 11′ 0'' | E 46° 56′ 0'' |
| 614 | Imaha | Madagascar, Atsimo-Atsinanana Befotaka > Marovitsika Sud > Ankazolahy | populated place | S 24° 12′ 0'' | E 46° 57′ 0'' |
615  | Imaha | Madagascar, Anosy Taolagnaro > Analamary > Lapamena | mountain | S 24° 16′ 0'' | E 47° 0′ 0'' |
| 616 | Imady | Madagascar, Amoron'i Mania | stream | S 20° 30′ 0'' | E 47° 20′ 0'' |
| 617 | Imabarivo | Madagascar, Upper Matsiatra Lalangina > Ivoamba > Mandrindrina | populated place | S 21° 22′ 0'' | E 47° 8′ 0'' |
| 618 | Ilovoka | Madagascar, Amoron'i Mania | stream | S 20° 25′ 0'' | E 46° 15′ 0'' |
| 619 | Ilovo Iiovo,Ilovo | Madagascar, Atsimo-Andrefana | stream | S 22° 51′ 0'' | E 44° 24′ 0'' |
| 620 | Ilovo | Madagascar, Atsimo-Andrefana | spring(s) | S 24° 15′ 0'' | E 44° 16′ 0'' |
| 621 | Iloty | Madagascar, Ihorombe Iakora > Iakora > Menambolo | populated place | S 22° 58′ 0'' | E 46° 40′ 0'' |
| 622 | Ilona | Madagascar, Atsimo-Andrefana | stream | S 22° 46′ 0'' | E 44° 24′ 0'' |
| 623 | Ilomotro Ilomotro,Lomotro | Madagascar, Diana Antsiranana II > Andranovondronina > Antsisikala | populated place | S 12° 11′ 0'' | E 49° 10′ 0'' |
| 624 | Ilomay | Madagascar, Upper Matsiatra Ambalavao > Besoa > Besoa | populated place | S 21° 54′ 0'' | E 46° 45′ 0'' |
625  | Alan’ Ilohony | Madagascar, Atsimo-Atsinanana | forest(s) | S 23° 58′ 0'' | E 47° 4′ 0'' |
| 626 | Iloengy Ilengy,Iloengy | Madagascar, Analanjirofo Mananara Nord > Sandrakatsy > Ambahikarabo | populated place | S 16° 15′ 0'' | E 49° 28′ 0'' |
| 627 | Ilevika | Madagascar, Diana Ambilobe > Ambatoben'anjavy > Matsaborilava | locality | S 13° 16′ 0'' | E 49° 1′ 0'' |
| 628 | Ilevika | Madagascar, Diana Ambilobe > Ambatoben'anjavy > Matsaborilava | hill | S 13° 15′ 0'' | E 49° 1′ 0'' |
| 629 | Ilepo Rivière | Madagascar, Atsimo-Andrefana | stream | S 22° 15′ 0'' | E 44° 59′ 0'' |
| 630 | Ilena | Madagascar, Upper Matsiatra Fianarantsoa I > Lalazana > Ambatofolaka | populated place | S 21° 29′ 0'' | E 47° 5′ 0'' |
| 631 | Ilemponarivo Ilemponarivo,Lepanarivo | Madagascar, Amoron'i Mania Ambatofinandrahana > Amborompotsy > Manavotra | populated place | S 20° 35′ 0'' | E 46° 7′ 0'' |
| 632 | Ilempona Ilempona,Ilempona Riviere,Ilempona Rivière | Madagascar, Vakinankaratra | stream | S 19° 39′ 0'' | E 47° 17′ 0'' |
| 633 | Ilempona Gare d' Ilempona,Gare d’ Ilempona,Ilempona | Madagascar, Vakinankaratra Antanifotsy > Antanifotsy > Antsahamaina | populated place | S 19° 39′ 0'' | E 47° 19′ 0'' |
| 634 | Ilempona Ilempona,Llempona | Madagascar, Sofia Befandriana Avaratra > Maroamalona > Antananambo I | populated place | S 15° 17′ 0'' | E 48° 38′ 0'' |
| 635 | Ilempombe | Madagascar, Upper Matsiatra Ambalavao > Andrainjato > Andrainjato | populated place | S 21° 56′ 0'' | E 46° 59′ 0'' |
| 636 | Debok’ Ilempo | Madagascar, Atsimo-Andrefana | depression(s) | S 24° 6′ 0'' | E 44° 12′ 0'' |
| 637 | Ilemby | Madagascar, Atsimo-Andrefana Ankazoabo > Ilemby > Ilemby | populated place | S 22° 27′ 0'' | E 45° 6′ 0'' |
| 638 | Ilembo Ilembo,Llembo | Madagascar, Fitovinany Region Vohipeno > Mahazoarivo > Ankaboba | populated place | S 22° 16′ 0'' | E 47° 31′ 0'' |
| 639 | Récif de l’ Île de Sable Recif de l' Ile de Sable,Récif de l’ Île de Sable,Sand Island Reef,Sand Islet Reef | Madagascar, MG.06 | reef(s) | S 20° 48′ 0'' | E 43° 50′ 0'' |
| 640 | Ilaza | Madagascar, Atsimo-Andrefana Beroroha > Behisatsy > Ampihamy | populated place | S 21° 45′ 0'' | E 45° 8′ 0'' |
| 641 | Ilaza Ilaza,Llaza | Madagascar, Menabe Mahabo > Befotaka > Ilaza | populated place | S 20° 17′ 0'' | E 44° 49′ 0'' |
| 642 | Ilay Harandriaka Lehibe Grand Recif,Great Reef,Ilay Harandriaka Lehibe,Le Grand Recif,Le Grand Récif | Madagascar, MG.06 | reef(s) | S 23° 25′ 0'' | E 43° 40′ 0'' |
| 643 | Ilay Harandriaka Lehibe Great Reef,Ilay Harandriaka Lehibe,Le Grand Recif,Le Grand Récif | Madagascar, MG.04 | reef(s) | S 18° 8′ 0'' | E 49° 27′ 0'' |
| 644 | Ilapality | Madagascar, Anosy Amboasary > Tranomaro > Andolobe | populated place | S 24° 41′ 0'' | E 46° 21′ 0'' |
| 645 | Ilapality | Madagascar, Anosy Amboasary > Tranomaro > Andolobe | mountain | S 24° 40′ 0'' | E 46° 20′ 0'' |
| 646 | Nosy Ilansambo | Madagascar, Analanjirofo | island | S 17° 23′ 0'' | E 49° 25′ 0'' |
| 647 | Ilanosy | Madagascar, Upper Matsiatra Ambalavao > Ambinanindovoka > Firariantsoa Miarinarivo | populated place | S 21° 54′ 0'' | E 47° 8′ 0'' |
| 648 | Ilanana Ilanana,Ilanana Riviere,Ilanana Rivière | Madagascar, Ihorombe | stream | S 22° 54′ 0'' | E 45° 23′ 0'' |
| 649 | Ilanana Ilanana,Lalana | Madagascar, Anosy Betroka > Ambalasoa > Kelivaho | populated place | S 22° 55′ 0'' | E 46° 9′ 0'' |
| 650 | Ilampy | Madagascar, Alaotra Mangoro Moramanga > Morarano Gara > Ambohidray | populated place | S 18° 39′ 0'' | E 48° 16′ 0'' |
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